WO2013137562A1 - Panneau tactile avec oxyde d'indium-étain avec deux ou plusieurs types différents de composants de résistance et un procédé de fabrication associé - Google Patents

Panneau tactile avec oxyde d'indium-étain avec deux ou plusieurs types différents de composants de résistance et un procédé de fabrication associé Download PDF

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Publication number
WO2013137562A1
WO2013137562A1 PCT/KR2013/001021 KR2013001021W WO2013137562A1 WO 2013137562 A1 WO2013137562 A1 WO 2013137562A1 KR 2013001021 W KR2013001021 W KR 2013001021W WO 2013137562 A1 WO2013137562 A1 WO 2013137562A1
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WO
WIPO (PCT)
Prior art keywords
pattern layer
ito
touch panel
base substrate
transparent conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2013/001021
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English (en)
Korean (ko)
Inventor
이진국
이기경
김정철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IMAGIS Tech CO Ltd
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IMAGIS Tech CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IMAGIS Tech CO Ltd filed Critical IMAGIS Tech CO Ltd
Publication of WO2013137562A1 publication Critical patent/WO2013137562A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to a touch panel and a method of manufacturing the same, and more particularly, to a touch panel having an ITO having two or more different resistance components and a method of manufacturing the same.
  • a touch panel also referred to as a touch panel, refers to a computing input device that makes it possible to easily operate a computer by enabling interactive and intuitive operations by touching a button displayed on a display.
  • Touch panels are widely used in ATMs, personal digital assistants (PDAs), navigation systems, and laptop touch pads.
  • the touch recognition method in the touch panel may be largely divided into a resistive film method and a capacitive method.
  • the resistive film method has been widely used because it is economically inexpensive, but in recent years, it has been replaced by a capacitive method that has excellent durability, a clear screen, and multi-touch.
  • a capacitive touch panel uses a capacitance in a human body.
  • a touch is recognized by measuring a change in resistance and current caused by a capacitance of a person using an alternating voltage, and a method of determining whether there is a touch by comparing the amount of charge of a capacitor. Can be divided.
  • Such a capacitive touch panel is superior in durability compared to a resistive film method using a film, and thus does not interfere with operation even with moisture or small damage.
  • the touch accuracy is relatively high, and the optical characteristic is excellent, so that the screen is clear.
  • the touch panel using the capacitive charging method is multi-point and can be manufactured in a small size, which is widely used in mobile smart devices.
  • ITO indium tin oxide
  • Conventional capacitive touch panels mainly use indium tin oxide (ITO), and use ITO as a transparent electrode on a glass substrate to sense a touch signal.
  • ITO indium tin oxide
  • a method of detecting a touch signal and detecting a position using two layers is used as the transparent electrode.
  • Such a method is known as the most convenient and safe touch recognition method.
  • such a method has a disadvantage in that the manufacturing cost increases because two or more transparent electrodes must be used.
  • a touch pattern is disposed on a single layer and a touch position is calculated by using a signal change detected in the touch pattern.
  • the conventional single layer touch pattern has a disadvantage in that the resistance of the side line is too large, which causes a problem of degrading touch sensing performance in the touch panel.
  • the present invention is proposed to solve the above problems of the conventionally proposed methods, by configuring the thickness of the pattern layer (ITO) in the configuration of a single layer type capacitive touch panel, the resistance components are mutually
  • the two different ITO pattern layer areas can be configured to minimize the problem of the line resistance of the touch panel becoming too large, and to improve the overall performance of the touch panel by ensuring excellent conductivity and transmittance.
  • An object of the present invention is to provide a touch panel having an ITO having at least two resistive components and a method of manufacturing the same.
  • a touch panel having an ITO having two or more different resistance components according to a feature of the present invention is provided.
  • a base substrate composed of a transparent material substrate
  • It includes a pattern layer in which electrodes of a transparent conductor material for forming a plurality of touch patterns on one surface of the base substrate is disposed,
  • the thickness of the pattern layer is differently formed so that two or more regions having different resistance components can be formed.
  • the transparent conductor Preferably, the transparent conductor, the transparent conductor, and
  • ITO indium tin oxide
  • the pattern layer Preferably, the pattern layer,
  • a pattern layer detector having a low thickness forming a touch pattern to detect a touch position
  • the thickness is thicker than the pattern layer detecting unit, and may include a pattern layer connecting unit having a structure cut into a fine pattern.
  • the pattern layer More preferably, the pattern layer,
  • the pattern layer connection part is formed between the pattern layer sensing part having a low thickness so that the conductivity and transmittance of the touch panel can be secured and the resistance of the side line can be prevented from becoming too large.
  • the pattern layer connection unit and the pattern layer detection unit may be sequentially formed on one surface of the base substrate.
  • the touch panel More preferably, the touch panel,
  • the display device may further include a transparent window.
  • the transparent conductor coated on one surface of the base substrate is characterized in that the pattern layer is formed of a structure having a different thickness so that two or more regions having different resistive components can be formed .
  • step (1) Preferably, in step (1),
  • the method may further include a cleaning process of removing impurities on the surface of the base substrate before the process of introducing the base substrate.
  • step (2) and the step (3) are arranged sequentially.
  • the coating process may be performed by one of screen printing, gravure, and inkjet.
  • the transparent conductor Preferably, the transparent conductor, the transparent conductor, and
  • ITO indium tin oxide
  • step (3) the step (3)
  • the transparent conductor adjusted to have a low thickness may include a pattern layer sensing unit forming a touch pattern for sensing a touch position.
  • step (4) More preferably, in step (4),
  • the transparent conductor cut to form a fine pattern may be formed of a pattern layer connection unit for electrical connection to an electrode of the pattern layer detection unit.
  • a touch panel having an ITO having two or more different resistive components and a manufacturing method thereof have different thicknesses of the pattern layer (ITO) in configuring a single layer type capacitive touch panel.
  • FIG. 1 is a cross-sectional view of a touch panel having an ITO having two or more different resistance components according to an embodiment of the present invention.
  • FIG. 2 illustrates a planar configuration of a touch panel having an ITO having two or more different resistive components according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view of a transparent window included in a touch panel having an ITO having two or more different resistance components according to an embodiment of the present invention.
  • FIG. 4 is a flow diagram illustrating a method of manufacturing a touch panel having an ITO having two or more different resistive components according to an embodiment of the present invention.
  • FIG. 5 is a view illustrating an etching process of a pattern layer region using two screen masks in a method of manufacturing a touch panel having ITO having two or more different resistive components according to an embodiment of the present invention.
  • touch panel 110 base substrate
  • pattern layer detection unit 130 transparent window
  • first screen mask 142 second screen mask
  • FIG. 1 is a diagram illustrating a cross-sectional configuration of a touch panel having an ITO having two or more different resistive components according to an embodiment of the present invention
  • FIG. 2 is a diagram showing two different configurations according to an embodiment of the present invention. It is a figure which shows the planar structure of the touchscreen provided with ITO which has the above-mentioned resistance component.
  • the touch panel 100 including ITO having two or more different resistive components according to an embodiment of the present invention includes a base substrate 110 and a pattern layer 120. It may be configured to include, and may further comprise a transparent window 130.
  • the base base material 110 is a base member comprised from the board
  • the base substrate 110 may be composed of a glass substrate or tempered glass of a transparent material.
  • the base substrate 110 is subjected to a process of providing impurities buried on the surface using ultrapure water (DI) before the process input.
  • DI ultrapure water
  • the cleaning process may be omitted.
  • the pattern layer 120 is a configuration in which electrodes of a transparent conductor material for forming a plurality of touch patterns on one surface of the base substrate 110 are disposed.
  • the pattern layer 120 is used to detect a touch signal by a combination of an electrode of a Tx pattern and an electrode of an Rx pattern.
  • the pattern layer 120 applied to the touch panel 100 of the present invention may have different thicknesses of the pattern layer 120 as illustrated in FIG. 1 so that two or more regions having different resistance components may be formed. can do.
  • the pattern layer 120, the pattern layer detection unit 122 having a low thickness to form a touch pattern for the detection of the touch position, and the pattern layer detection for electrical connection to the electrode of the pattern layer detection unit 122 It is thicker than the portion 122 and includes a pattern layer connection part 121 having a structure cut into a fine pattern.
  • the transparent conductor is preferably composed of indium tin oxide (ITO), but is not limited thereto, and it should be understood that a transparent material that can be used in addition to ITO and a material of a transparent material that can be developed in the future can be applied. do. In more detail with reference to FIG.
  • the pattern layer 120 may have a low thickness pattern layer sensing unit so that the conductivity and transmittance of the touch panel 100 are secured and the resistance of the side line is prevented from becoming too large.
  • the pattern layer connecting portion 121 having a thick thickness is formed between the 122, and the pattern layer connecting portion 121 and the pattern layer detecting portion 122 may be sequentially formed on one surface of the base substrate 110. .
  • the transparent window 130 is provided in the touch panel 100. As shown in FIG. 3, the transparent window 130 is provided on an upper portion of the pattern layer 120 formed on one surface of the base substrate 110. 3 illustrates a cross-sectional configuration in which a transparent window is included in a touch panel having an ITO having two or more different resistive components according to an embodiment of the present invention.
  • the method of manufacturing a touch panel having an ITO having two or more different resistive components according to an embodiment of the present invention includes coating a transparent conductor (S100) and etching resist. Resist coating step (S200), the step of adjusting the thickness of the transparent conductor to be lowered through the coating and etching (S300), and the formation of a fine pattern for the transparent conductor is not controlled through the etching process It may be implemented including a step for making a cut (S400).
  • the transparent conductor is coated on one surface of the base substrate 110 composed of a transparent material substrate.
  • the transparent conductor is preferably composed of indium tin oxide (ITO), but it is not limited thereto, and it is understood that a transparent material that can be used in addition to ITO and a conductive material of a transparent material that can be developed in the future may be applied. Should be.
  • the cleaning process of removing impurities on the surface of the base substrate 110 may be further included. In this case, the cleaning process may be omitted when the ITO film is used instead of the method of coating the transparent conductor (ITO) on one surface of the base substrate 110.
  • step S200 the etching resist is coated on the base substrate 110 coated with the transparent conductor.
  • step S200 one of screen printing, gravure, and inkjet may be used for the process of the etching resist coating process.
  • the etching resist is coated on the base substrate 110, and a process of drying the coated etching resist may be performed.
  • step S300 the etching paste is coated and etched on the base substrate 110 coated with the etching resist by using the first screen mask 141 to adjust the thickness of the transparent conductor to be lowered.
  • the transparent conductor adjusted to have a low thickness is used as the pattern layer sensing unit 122 forming a touch pattern for sensing the touch position.
  • one of screen printing, gravure, and inkjet may be used for coating fixing, as in step S200 described above, for the process of the etching paste coating process.
  • the etching paste may be coated on the base substrate 110 coated with the etching resist, and the heating process may be performed in parallel to increase the etching rate of the etching paste.
  • step S400 a cutting process is performed to form a fine pattern for the transparent conductor whose thickness is not adjusted in step S300 through an etching process using the second screen mask 142 on the base substrate 110.
  • the transparent conductor cut to form the fine pattern is used as the pattern layer connector 121 for electrical connection to the electrode of the pattern layer detector 122.
  • the transparent conductor coated on one surface of the base substrate 110 is formed with a pattern layer 120 having a structure having a different thickness so that two or more regions having different resistance components may be formed.
  • step S400 the pattern layer 120 is embodied in a designed form through an etching process of the base substrate 110, and a cleaning process of removing the etching paste and the transparent conductor ITO remaining on the surface of the base substrate 110 is performed. Through the manufacturing of the pattern layer 120 is completed. A process in which the thickness of the pattern layer 120 formed through the etching process in steps S300 and S400 is processed differently will be described in more detail with reference to FIG. 5.
  • FIG. 5 is a view illustrating an etching process of a pattern layer region using two screen masks in a method of manufacturing a touch panel having ITO having two or more different resistance components according to an embodiment of the present invention.
  • the transparent conductor (ITO) coated on one surface of the base substrate 110 is etched through the first screen mask 141 used in step S300, thereby providing a first screen mask 141.
  • the thickness of the transparent conductor, which is not covered by) is etched.
  • the formed transparent conductor is used as the pattern layer detector 122 in which the touch patterns of Tx and Rx are formed.
  • the thickness is adjusted in step S300 through a process of an etching process using the second screen mask 142 as shown in FIG. 5 in step S400.
  • Cutting is made for the formation of a fine pattern for the untransparent transparent conductor.
  • the transparent conductor cut to form the fine pattern is used as the pattern layer connector 121 for electrical connection to the electrode of the pattern layer detector 122.
  • the transparent conductor coated on one surface of the base substrate 110 includes a pattern layer 120 having a structure having a different thickness in which two or more regions having different resistance components are formed.
  • the pattern layer connecting unit 121 and the pattern layer 120 sequentially forming the pattern layer detecting unit 122 secure the conductivity and transmittance of the touch panel 100, and the resistance of the side line becomes too large. Function so that it can be prevented.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Manufacturing Of Electric Cables (AREA)
PCT/KR2013/001021 2012-03-11 2013-02-07 Panneau tactile avec oxyde d'indium-étain avec deux ou plusieurs types différents de composants de résistance et un procédé de fabrication associé Ceased WO2013137562A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120024764A KR101183060B1 (ko) 2012-03-11 2012-03-11 서로 다른 2가지 이상의 저항 성분을 갖는 아이티오를 구비한 터치 패널 및 그 제조 방법
KR10-2012-0024764 2012-03-11

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WO2013137562A1 true WO2013137562A1 (fr) 2013-09-19

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PCT/KR2013/001021 Ceased WO2013137562A1 (fr) 2012-03-11 2013-02-07 Panneau tactile avec oxyde d'indium-étain avec deux ou plusieurs types différents de composants de résistance et un procédé de fabrication associé

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KR (1) KR101183060B1 (fr)
WO (1) WO2013137562A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016204525A1 (fr) * 2015-06-19 2016-12-22 엘지전자(주) Panneau tactile et dispositif d'affichage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100944519B1 (ko) * 2009-03-04 2010-03-03 남동식 터치패널센서
KR20100084253A (ko) * 2009-01-16 2010-07-26 삼성모바일디스플레이주식회사 터치 스크린 패널 및 그 제조방법
KR101022185B1 (ko) * 2009-01-16 2011-03-17 삼성모바일디스플레이주식회사 터치 스크린 패널
KR20110123232A (ko) * 2011-10-21 2011-11-14 미래나노텍(주) 정전 용량 방식 터치 패널 및 그 제조방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100084253A (ko) * 2009-01-16 2010-07-26 삼성모바일디스플레이주식회사 터치 스크린 패널 및 그 제조방법
KR101022185B1 (ko) * 2009-01-16 2011-03-17 삼성모바일디스플레이주식회사 터치 스크린 패널
KR100944519B1 (ko) * 2009-03-04 2010-03-03 남동식 터치패널센서
KR20110123232A (ko) * 2011-10-21 2011-11-14 미래나노텍(주) 정전 용량 방식 터치 패널 및 그 제조방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016204525A1 (fr) * 2015-06-19 2016-12-22 엘지전자(주) Panneau tactile et dispositif d'affichage
US10642391B2 (en) 2015-06-19 2020-05-05 Lg Electronics Inc. Touch panel and display device

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KR101183060B1 (ko) 2012-09-20

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